May is one of those months that feels full of possibility… longer days, fresh energy, and plenty of moments worth celebrating (and creating content around). If you’ve ever found yourself scrambling for what to post, you’re not alone. That’s exactly why we pulled together a complete list of May 2026 holidays and special observances to make your content planning a whole lot easier.

At Red Glasses Marketing House, we’re all about helping you show up consistently without the overwhelm. Along with this list, we’ve created a FREE May content calendar and customizable graphics you can use for your weekly holiday posts.

Ready to plan ahead and stay visible all month long? Let’s dive in!

Table of Contents

May Monthly Holidays

ALS Awareness Month
American Wetlands Month
Asian American & Pacific Islander Heritage Month
Asthma Awareness Month
Better Speech and Hearing Month
Bladder Cancer Awareness Month
Borderline Personality Disorder Awareness Month
Brain Cancer Awareness Month
Building Safety Month
Celiac Awareness Month
Correct Posture Month
Creative Beginnings Month
Date Your Mate Month
Ehlers-Danlos Awareness Month
Food Allergy Awareness Month
Get Caught Reading Month
Gifts From The Garden Month
Global Civility Awareness Month
Global Employee Health and Fitness Month
Haitian Heritage Month
Healthy Vision Month
Hepatitis Awareness Month
Homeschooling Awareness Month
Huntington’s Disease Awareness Month
International Internal Audit Awareness Month
International Mediterranean Diet Month
International Victorious Woman Month
Jewish-American Heritage Month
Latino Books Month
Lupus Awareness Month
Lyme Disease Awareness Month
Mental Health Awareness Month
Motorcycle Safety Awareness Month
National Arthritis Awareness Month
National Asparagus Month
National Asthma and Allergy Awareness Month
National Barbecue Month
National Bike Month
National Chamber Music Month
National Cystic Fibrosis Awareness Month
National Egg Month
National Electrical Safety Month
National Family Wellness Month
National Foster Care Month
National Hamburger Month
National High Blood Pressure Education Month
National Inventors Month
National Meditation Month
National Military Appreciation Month
National Moving Month
National Osteoporosis Month
National Photography Month
National Physical Fitness and Sports Month
National Recommitment Month
National Salad Month
National Salsa Month
National Strawberry Month
National Stroke Awareness Month
National Teen Self-Esteem Month
National Vinegar Month
National Water Safety Month
National Youth Traffic Safety Month
NF (Neurofibromatosis) Awareness Month
Older Americans Month
Orphan Awareness Month
Play Tennis Month
Prader-Willi Syndrome Awareness Month
Preeclampsia Awareness Month
Preservation Month
Save Your Tooth Month
Skin Cancer Awareness Month
UV (Ultraviolet) Awareness Month
Wildfire Awareness Month
Women’s Health Month

May Weekly Holidays

May 2 – 3 National Fallen Firefighters Memorial Weekend
May 3 – 9 Be Kind To Animals Week
May 3 – 9 Children’s Mental Health Awareness Week
May 3 – 9 Drinking Water Week
May 3 – 9 International Compost Awareness Week
May 3 – 9 National Correctional Officers Week
May 3 – 9 National Pet Week
May 3 – 9 National Travel and Tourism Week
May 3 – 9 North American Occupational Safety & Health Week
May 3 – 9 Public Service Recognition Week
May 3 – 9 Sun Awareness Week
May 4 – 10 Children’s Book Week
May 4 – 10 Screen-Free Week
May 4 – 8 Teacher Appreciation Week
May 4 – 8 Economic Development Week
May 6 – 12 National Nurses Week
May 8 – 17 National Public Gardens Week
May 10 – 16 Food Allergy Awareness Week
May 10 – 16 National Defense Transportation Week
May 10 – 16 National Hospital Week
May 10 – 16 National Police Week
May 10 – 16 National Stuttering Awareness Week
May 10 – 16 National Women’s Health Week
May 11 – 17 American Craft Beer Week
May 11 – 17 International Coaching Week
May 11 – 17 National Salvation Army Week
May 16 – 22 National Safe Boating Week
May 17 – 23 Healthcare Documentation Integrity Week
May 17 – 23 International Heritage Breeds Week
May 17 – 23 National EMS Week (Emergency Medical Services)
May 17 – 23 National Eosinophil Awareness Week
May 17 – 23 National Safe Sun Week
May 17 – 23 Public Works Week
May 18 – 24 Healthy and Safe Swimming Week

May Daily Holidays

May 1 Law Day
May 1 May Day
May 1 National Chocolate Parfait Day
May 1 National Loyalty Day
May 1 National Mother Goose Day
May 1 National Space Day
May 1 No Pants Day
May 1 School Lunch Hero Day
May 1 School Principals’ Day
May 1 Silver Star Service Banner Day
May 2 Free Comic Book Day
May 2 International Harry Potter Day
May 2 Join Hands Day
May 2 Kentucky Derby
May 2 National Auctioneers Day
May 2 National Bombshells’ Day
May 2 National Brothers and Sisters Day
May 2 National Fitness Day
May 2 National Homebrew Day
May 2 National Life Insurance Day
May 2 National Scrapbook Day
May 2 National Start Seeing Monarchs Day
May 2 National Truffle Day
May 2 World Tuna Day
May 3 National Chocolate Custard Day
May 3 National Garden Meditation Day
May 3 National Infertility Survival Day
May 3 National Lumpy Rug Day
May 3 National Paranormal Day
May 3 National Raspberry Popover Day
May 3 National SAN Architect Day
May 3 National Specially-abled Pets Day
May 3 National Textiles Day
May 3 National Two Different Colored Shoes Day
May 4 Bird Day
May 4 Early May Bank Holiday
May 4 Labour Day – Queensland
May 4 Melanoma Monday
May 4 National Candied Orange Peel Day
May 4 National Orange Juice Day
May 4 National Renewal Day
May 4 National Weather Observers Day
May 4 Star Wars Day
May 5 Cinco de Mayo

May 5 Lag BaOmer
May 5 National Astronaut Day
May 5 National Cartoonists Day
May 5 National Foster Care Day
May 5 National Hoagie Day
May 5 National Silence the Shame Day
May 5 National Teacher Appreciation Day
May 5 Totally Chipotle Day
May 6 International No Diet Day
May 6 National Beverage Day
May 6 National Crepe Suzette Day
May 6 National Nurses Day
May 6 National School Nurse Day
May 6 National Skilled Trades Day
May 6 National Tourist Appreciation Day
May 7 National Barrier Awareness Day
May 7 National Day of Prayer
May 7 National Day of Reason .
May 7 National Packaging Design Day
May 7 National Paste-Up Day
May 7 National Roast Leg of Lamb Day
May 7 National Tourism Day
May 7 World Password Day
May 8 National Coconut Cream Pie Day
May 8 National Have A Coke Day
May 8 National Military Spouse Appreciation Day
May 8 National Provider Appreciation Day
May 8 National Student Nurse Day
May 8 Victory in Europe Day
May 9 Ascension Day
May 9 Cornelia De Lange Syndrome Awareness Day
May 9 International Migratory Bird Day
May 9 National Archery Day
May 9 National Babysitter’s Day
May 9 National Birth Mother’s Day
May 9 National Butterscotch Brownie Day
May 9 National Dog Mom’s Day
May 9 National Lost Sock Memorial Day
May 9 National Miniature Golf Day
May 9 National Moscato Day
May 9 National Sleepover Day
May 9 National Train Day
May 9 Stamp Out Hunger Food Drive Day
May 9 World Fair Trade Day
May 10 Mother’s Day

May 10 National Clean Up Your Room Day
May 10 National Lipid Day
May 10 National Shrimp Day
May 10 National Washington Day
May 11 National Eat What You Want Day
May 11 National Foam Rolling Day
May 11 National Twilight Zone Day
May 11 National Women’s Checkup Day
May 12 International Nurses Day
May 12 National Fibromyalgia Awareness Day
May 12 National Limerick Day
May 12 National Nutty Fudge Day
May 12 National Odometer Day
May 13 International Hummus Day
May 13 National Apple Pie Day
May 13 National Crouton Day
May 13 National Frog Jumping Day
May 13 National Fruit Cocktail Day
May 13 National Receptionists’ Day
May 13 National Third Shift Workers Day
May 14 National Buttermilk Biscuit Day
May 14 National Dance Like a Chicken Day
May 14 National Decency Day
May 14 National Underground America Day
May 15 International Day of Families
May 15 Jerusalem Day
May 15 NASCAR Day
May 15 National Bike to Work Day
May 15 National Chocolate Chip Day
May 15 National Defense Transportation Day
May 15 National Endangered Species Day
May 15 National Nylon Stocking Day
May 15 National Pizza Party Day
May 15 Peace Officers Memorial Day
May 16 Honor Our LGBT Elders Day
May 16 National Armed Forces Day
May 16 National Barbecue Day
May 16 National Biographer’s Day
May 16 National Coquilles Saint Jacques Day
May 16 National Do Something Good for Your Neighbor Day
May 16 National Learn to Swim Day
May 16 National Love a Tree Day
May 16 National Mimosa Day
May 16 National Piercing Day
May 16 National Sea Monkey Day
May 17 National Cherry Cobbler Day
May 17 National Fetch Day
May 17 National Graduation Tassel Day
May 17 National Pack Rat Day
May 17 National Walnut Day
May 17 Take Your Parents To The Playground Day
May 18 National Cheese Soufflé Day
May 18 National HIV Vaccine Awareness Day
May 18 National No Dirty Dishes Day
May 18 National Visit Your Relatives Day
May 18 Victoria Day
May 19 National Devil’s Food Cake Day
May 19 National May Ray Day
May 20 Emergency Medical Services for Children Day
May 20 National Be a Millionaire Day
May 20 National Juice Slush Day
May 20 National Pick Strawberries Day
May 20 National Quiche Lorraine Day
May 20 National Rescue Dog Day
May 21 National American Red Cross Founder’s Day
May 21 National Memo Day
May 21 National Strawberries and Cream Day
May 21 National Waitstaff Day
May 21 Shavuot Eve
May 21 Talk Like Yoda Day
May 22 Harvey Milk Day
May 22 International Day for Biological Diversity
May 22 National Buy a Musical Instrument Day
May 22 National Cooler Day
May 22 National Don’t Fry Day
May 22 National Maritime Day
May 22 National Road Trip Day

May 22 National Solitaire Day
May 22 National Vanilla Pudding Day
May 22 Shavuot
May 22 World Goth Day
May 22 World Paloma Day
May 23 National Lucky Penny Day
May 23 National Taffy Day
May 23 World Turtle Day
May 24 Brother’s Day
May 24 National Aviation Maintenance Technician Day
May 24 National Escargot Day
May 24 National Scavenger Hunt Day
May 24 Pentecost
May 25 Memorial Day

May 25 National Brown-Bag It Day
May 25 National Missing Children’s Day
May 25 National Tap Dance Day
May 25 National Wine Day
May 25 Sibling Appreciation Day
May 25 Towel Day
May 25 Whit Monday
May 26 National Blueberry Cheesecake Day
May 26 National Paper Airplane Day
May 26 National Sorry Day
May 26 World Lindy Hop Day
May 27 Eid al-Adha
May 27 National Cellophane Tape Day
May 27 National Grape Popsicle Day
May 27 National Senior Health & Fitness Day
May 27 Spring Bank Holiday
May 27 Sunscreen Protection Day
May 28 National Hamburger Day
May 28 National Brisket Day
May 29 Learn About Composting Day
May 29 National Coq Au Vin Day
May 29 National Heat Awareness Day
May 29 National Paperclip Day
May 29 Put a Pillow on Your Fridge Day
May 30 Loomis Day
May 30 National Creativity Day
May 30 National Hole In My Bucket Day
May 30 National Mint Julep Day
May 30 National Water a Flower Day
May 30 World Multiple Sclerosis (MS) Day
May 31 Autonomous Vehicle Day
May 31 National Macaroon Day
May 31 National Save Your Hearing Day
May 31 National Smile Day
May 31 National Speak in Complete Sentences Day
May 31 Necrotizing Fasciitis Awareness Day
May 31 Trinity Sunday
May 31 World No Tobacco Day

A Gentle Way to Stay Consistent

Now you have everything in front of you… every holiday, every observance, all in one place. The goal isn’t to use every single date, but to pick the ones that feel aligned and make showing up a little easier.

Because the truth is, trying to do everything can quickly lead to burnout. If that’s been creeping in, our blog on content fatigue might hit close to home. Sometimes, simplifying your approach (instead of adding more) is what actually helps you stay consistent. Even something as simple as pairing your posts with a thoughtful newsletter can take some of the pressure off your day-to-day content.

And if you’d rather not plan it all alone, our CALMING Social Media Subscription is here to support you behind the scenes (with monthly graphics and captions tailored to your industry), so your content still feels like you, just without the overwhelm.

Take what you need from this list, leave what you don’t, and move through May at your own pace. There’s plenty of room to keep things simple and still show up in a meaningful way.

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May 2026 Content Ideas: Holidays and Observances to Inspire Your Posts